Insole



FIG. 1 is a top perspective view of an insole showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof.

The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. The dash-dot boundary line in FIGS. 2 and 6 defines the boundary of the claimed design and forms no part of the claimed design. 

I claim the ornamental design for an insole, as shown and described. 